//// Source code recreated from a .class file by IntelliJ IDEA// (powered by FernFlower decompiler)//package 力扣.题库.未分类.demo20AND40;public class demo27 {    public demo27() {    }    public int removeElement(int[] nums, int val) {        int left = 0;        for(int i = 0; i < nums.length; ++i) {            if (nums[i] != val) {                nums[left++] = nums[i];            }        }        return left;    }}